Guangzhou Chengda Eco-tech Co., Limited is a large company group mainly researching and manufacturing energy-saving products. Chengda Eco-tech had technical cooperation with Japanese famous company and now has joint venture with Spain technical company. Chengda Eco-tech is equipped with best software and hardware system and advanced equipment. We have experienced management team, sales team, marketing team, and professional technician veterans. We have the same base on advanced enterprise managing system and established a international platform, which harmonizes and promotes efficiently expanding of Chengda Eco-tech universal operation. We set up a complete and systematic quality assurance system and quality control system. The quality control systems are based on machine testing with automatic alarm for any quality error. This will assure the good quality with customers relaxation. Through creative experience of many years, Chengda Eco-tech Research and development department cogitates large, middle and small energy-saving environmental friendly Air source Water Heater, water source heat pump with air conditioning, high and mid static pressure duct unit. With our long year experience in heat-pump technology, it makes full use of the energy from the recyclable resource like air, sunshine, water and so on. It brings a revolution to the energy saving industry. It already won quite a few international authoritative patents and quality test certificates.